Tonic water fluorescing. A glass of tonic water seen under visible light (left) and ultraviolet radiation (right). The fluorescence is due to quinine,a prophylactic against malaria. Tonic was originally created by British officials in india as a means of taking the bitter-tasting quinine. It was found to be more palatable with the addition of gin | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |